CN104715948B - Arc insulating apparatus and mesolow electrical equipment - Google Patents
Arc insulating apparatus and mesolow electrical equipment Download PDFInfo
- Publication number
- CN104715948B CN104715948B CN201310686967.5A CN201310686967A CN104715948B CN 104715948 B CN104715948 B CN 104715948B CN 201310686967 A CN201310686967 A CN 201310686967A CN 104715948 B CN104715948 B CN 104715948B
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- CN
- China
- Prior art keywords
- arc
- busbar
- insulating apparatus
- electrical equipment
- arc insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/346—Details concerning the arc formation chamber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H2009/347—Stationary parts for restricting or subdividing the arc, e.g. barrier plate using lids for closing the arc chamber after assembly
Abstract
A kind of arc insulating apparatus, it may connect to a busbar（22）, the busbar and a housing（24）Between there is one can include a fixed plate by the gap of electric arc, arc insulating apparatus（12）, a connecting portion（14）With a flash barrier（16）.Fixed plate has a stationary plane towards busbar（124）With the arc face of a dorsad busbar（126）.Connecting portion is arranged on stationary plane, and fixed plate can be connected on busbar by connecting portion, stationary plane is close on the surface of busbar.Flash barrier is darted on arc face, can stop that electric arc passes through gap.Arc insulating apparatus it is simple in construction, can effectively prevent gap of the electric arc between busbar and housing from entering.
Description
Technical field
The present invention relates to a kind of arc insulating apparatus.The invention further relates to a kind of mesolow electrical equipment with above-mentioned arc insulating apparatus.
Background technology
In mesolow appliance field, especially in the route protection product of mesolow, the splicing between product is by mother
Row（busbar）Realize, such as when splicing residual current operated protective device and breaker of plastic casing, as shown in figure 1, residual current is protected
The busbar 62 for protecting device 60 stretches out the splicing realized after the shell 64 of residual current operated protective device 60 with breaker of plastic casing 70, in order to meet
Busbar 62 floats in the margin of tolerance, needs to leave gap 63 between busbar 62 and shell 64.Due to can in breaker of plastic casing 70
Electric arc outflow can be had, as the dotted line arrows, electric arc easily enters remaining electricity along the gap 63 between busbar 62 and housing 64
Flow inside protector 60, it is possible to burn out the circuit board 65 in the part in residual current operated protective device 60, such as figure.
The content of the invention
It is an object of the invention to provide a kind of arc insulating apparatus, it can effectively prevent gap of the electric arc between busbar and housing from entering
Enter.
It is a further object to provide a kind of mesolow electrical equipment, it has above-mentioned arc insulating apparatus, can prevent electric arc
Inside into it.
The invention provides a kind of arc insulating apparatus, it may connect to a busbar, have one between the busbar and a housing
A fixed plate, a connecting portion and a flash barrier can be included by the gap of electric arc, arc insulating apparatus.Fixed plate has a court
To the arc face of the dorsad busbar of the stationary plane of busbar and one.Connecting portion is arranged on stationary plane, and fixed plate can pass through connecting portion
It is connected on busbar, stationary plane is close on the surface of busbar.Flash barrier is darted on arc face, can stop that electric arc passes through seam
Gap.Arc insulating apparatus it is simple in construction, can effectively prevent gap of the electric arc between busbar and housing from entering.
In a kind of exemplary embodiment of arc insulating apparatus, flash barrier is set perpendicular to arc face.Above-mentioned design can be more
Effective barrier electric arc.
In a kind of exemplary embodiment of arc insulating apparatus, connecting portion is two grabs being darted on stationary plane.
In a kind of exemplary embodiment of arc insulating apparatus, connecting portion is a telescopic connection that can be set on busbar
Part.
In a kind of exemplary embodiment of arc insulating apparatus, two insulation boards are equipped with the arc face of fixed plate.It is above-mentioned
Design can increase creep age distance, improve security.
Present invention also offers a kind of mesolow electrical equipment, it includes a housing, the busbar that can be stretched out from housing
With an above-mentioned arc insulating apparatus, arc insulating apparatus is fixed on busbar.
In a kind of exemplary embodiment of mesolow electrical equipment, the flash barrier of arc insulating apparatus is posted by the outer surface of housing
On.Above-mentioned design method, makes flash barrier constitute a dual-layer isolation band with housing, makes electric arc be less susceptible to enter mesolow electrical equipment
It is internal.
In a kind of exemplary embodiment of mesolow electrical equipment, mesolow electrical equipment is a residual current operated protective device.
Hereafter by clearly understandable mode, preferred embodiment is described with reference to the drawings, to arc insulating apparatus and its mesolow electrical equipment
Above-mentioned characteristic, technical characteristic, advantage and its implementation be further described.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is configuration state when existing residual current operated protective device splices with breaker of plastic casing.
State before a kind of assembling of exemplary embodiments of the Fig. 2 to illustrate arc insulating apparatus.
State after a kind of assembling of exemplary embodiments of the Fig. 3 to illustrate arc insulating apparatus.
Fig. 4 is to illustrate the course of work of the arc insulating apparatus in Fig. 2, Fig. 3 and a kind of schematic embodiment party of mesolow electrical equipment
The structure of formula.
State after the assembling of another exemplary embodiments of the Fig. 5 to illustrate arc insulating apparatus.
The courses of work of the Fig. 6 to illustrate the arc insulating apparatus in Fig. 5.
Label declaration
12 fixed plates
124 stationary planes
126 arc faces
14 connecting portions
16 flash barriers
17 insulation boards
20 mesolow electrical equipment
22 busbars
24 housings
25 circuit boards
60 residual current operated protective devices
62 busbars
63 gaps
64 housings
65 circuit boards
70 breaker of plastic casing.
Embodiment
In order to be more clearly understood to the technical characteristic of invention, purpose and effect, now control brief description of the drawings is of the invention
Embodiment, in the various figures identical label represent that structure is identical or structure is similar but function identical part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical scheme.
To make only to schematically show part related to the present invention in simplified form, each figure, they are not represented
Its as product practical structures.In addition, to readily appreciate simplified form, there is identical structure or function in some figures
Part, only symbolically depicts one of those, or has only marked one of those.
Herein, " one " not only represents " only this ", can also represent the situation of " more than one ".Herein
In, " on ", " under ", "front", "rear", "left", "right" etc. are only used for representing the position relationship between relevant portion, and it is non-limiting it
Absolute position.
Herein, the limitation on the mathematics and/or geometry meaning of " vertical " etc. and non-critical, also comprising this area skill
Art personnel may be appreciated and manufacture or the error for the permission such as using.
State before a kind of assembling of exemplary embodiments of the Fig. 2 to illustrate arc insulating apparatus, Fig. 3 is to illustrate arc insulating apparatus
A kind of exemplary embodiment assembling after state.As shown in Figures 2 and 3, arc insulating apparatus may connect to a busbar 22, every
Arc part includes a fixed plate 12, a connecting portion 14 and a flash barrier 16, wherein, fixed plate 12 has one towards busbar
The arc face 126 of the dorsad busbar 22 of 22 stationary plane 124 and one.Connecting portion 14 is arranged on stationary plane 124, and fixed plate 10 can
It is connected to by connecting portion 14 on busbar 22, stationary plane 124 is close on the surface of busbar 22（Referring to Fig. 3）, flash barrier 16
It is darted on arc face 126.
The courses of work of the Fig. 4 to illustrate the arc insulating apparatus in Fig. 2, Fig. 3.As shown in figure 4, between busbar 22 and a housing 24
Can be by the gap of electric arc with one（Refer to Fig. 1）, the arc insulating apparatus of said structure is assembled to after busbar 22, arc insulating apparatus
Flash barrier 16 can stop electric arc（In figure shown in dotted arrow）Pass through gap.The arc insulating apparatus of said structure is simple in construction, fixed to hold
Easily, and electric arc can be made to be difficult, by the gap between busbar and housing, to realize protection purpose.
As shown in Figure 2, Figure 3 and Figure 4, flash barrier 16 is set perpendicular to arc face 126.Above-mentioned design can more effectively every
Keep off electric arc.In addition, the connecting portion 14 in Fig. 2 and Fig. 3 is two grabs being darted on stationary plane 124.Fixed plate 12 can pass through
The grab is easily fixed on busbar 22.Certainly the difference needed according to design, the structure and shape of connecting portion 14 can also
Difference, for example, connecting portion can also be a sleeve type connecting piece that can be set on busbar.
State after the assembling of another exemplary embodiments of the Fig. 5 to illustrate arc insulating apparatus, Fig. 6 is to illustrate in Fig. 5
Arc insulating apparatus the course of work.As shown in Figure 5 and Figure 6, two insulation boards 17 are also equipped with the arc face 126 of fixed plate 12.
The design of insulation board 17 can increase creep age distance, improve security.In addition, insulation board 17 can also improve determining for flash barrier 16
Housing 24 in position effect, such as Fig. 6 can be caught between side insulation right plate 17 and flash barrier 16.
As shown in figure 4, present invention also offers a kind of mesolow electrical equipment 20, it includes a housing 24 and one can be from shell
The busbar 22 stretched out in body 24, mesolow electrical equipment also includes an above-mentioned arc insulating apparatus, and arc insulating apparatus is fixed on busbar 22, to prevent
The circuit board 25 that electric arc enters in the inside of mesolow electrical equipment 20, the internal part of destruction mesolow electrical equipment 20, such as figure.
As shown in figure 4, a flash barrier 16 of arc insulating apparatus is posted by the outer surface of housing 24.Above-mentioned design method, makes
Flash barrier 16 constitutes a dual-layer isolation band with housing 24, makes electric arc be less susceptible to enter inside mesolow electrical equipment 20, certain root
The difference needed according to design, flash barrier 16 can also be different from the position relationship between housing, for example, can also paste flash barrier 16
On the inner surface for being against housing 24.Wherein, mesolow electrical equipment can be a residual current operated protective device.
Arc insulating apparatus is fixed on busbar using connecting portion, and the stationary plane of fixed plate is close on the surface of busbar, and
Stop electric arc using the flash barrier on arc face.Arc insulating apparatus it is simple in construction, can effectively prevent electric arc between busbar and housing
Gap enter.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding.
The a series of detailed description of those listed above illustrating only for the possible embodiments of the present invention,
They simultaneously are not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change
More, such as feature combination, segmentation or repetition, should be included in the scope of the protection.
Claims (8)
1. arc insulating apparatus, it may connect to a busbar, have between the busbar and a housing one can be by the gap of electric arc, its
It is characterised by, the arc insulating apparatus includes：
One fixed plate（12）, it has a stationary plane towards busbar（124）With the arc face of a dorsad busbar
（126）,
One is arranged on the stationary plane（124）On connecting portion（14）, the fixed plate（12）The connecting portion can be passed through
（14）It is connected on busbar, makes the stationary plane（124）On the surface for being close to the busbar；With
One is darted at the arc face（126）Above, flash barrier of the electric arc by gap can be stopped（16）.
2. arc insulating apparatus as claimed in claim 1, wherein, the flash barrier（16）Perpendicular to the arc face（126）Set.
3. arc insulating apparatus as claimed in claim 1, wherein, the connecting portion（14）The stationary plane is darted at for two（124）
On grab.
4. arc insulating apparatus as claimed in claim 1, wherein, the connecting portion（14）For one can be set on busbar it is telescopic
Connector.
5. arc insulating apparatus as claimed in claim 1, wherein, the fixed plate（12）Arc face（126）On be equipped with two absolutely
Listrium（17）.
6. mesolow electrical equipment, it includes a housing（24）Can be from the housing with one（24）The busbar of middle stretching（22）, its
It is characterised by, the mesolow electrical equipment also includes the arc insulating apparatus one as any one of claim 1 to 5, the arc
Part is fixed on the busbar（22）On.
7. mesolow electrical equipment as claimed in claim 6, wherein, the flash barrier of the arc insulating apparatus（16）It is posted by the shell
Body（24）Outer surface on.
8. mesolow electrical equipment as claimed in claim 6, wherein, the mesolow electrical equipment is a residual current operated protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686967.5A CN104715948B (en) | 2013-12-13 | 2013-12-13 | Arc insulating apparatus and mesolow electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686967.5A CN104715948B (en) | 2013-12-13 | 2013-12-13 | Arc insulating apparatus and mesolow electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104715948A CN104715948A (en) | 2015-06-17 |
| CN104715948B true CN104715948B (en) | 2017-08-04 |
Family
ID=53415175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310686967.5A Active CN104715948B (en) | 2013-12-13 | 2013-12-13 | Arc insulating apparatus and mesolow electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104715948B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018181503A (en) * | 2017-04-07 | 2018-11-15 | 三菱電機株式会社 | Circuit breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714520B1 (en) * | 1993-12-24 | 1996-01-19 | Telemecanique | Electric switch device with separable contacts. |
| CN2932596Y (en) * | 2006-07-31 | 2007-08-08 | 大全集团有限公司 | Arc-isolating plate of breaker contact head |
| JP5260457B2 (en) * | 2009-09-25 | 2013-08-14 | 三菱電機株式会社 | Circuit breaker |
-
2013
- 2013-12-13 CN CN201310686967.5A patent/CN104715948B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104715948A (en) | 2015-06-17 |
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